This model emphasizes the interdependencies of each step in the process,
highlights the importance of the evaluation, and recognizes more environmental
factors in an educational setting, i.e. the resources and the support
(budget, facilities, time, equipment, personnel and materials).

Kemp proposed this model based on the following beliefs:

The design belief: ID is a continuous cycle with revision as an
ongoing activity associated with all of the other elements.

The four essential elements of instructional technology are students,
objectives (what to be learned), method (what procedures and resources
will work best to reach desired learning levels), and evaluation (how
we will know the desired learning occurs)

The characteristics of the model

A general systems view of development: all elements are interdependent